[PLUG] Extracting the pid from ps -ax

[Randal L. Schwartz]

>>>>> "D" == D Cooper Stevenson <cooper at linux-enterprise.net> writes:

D> You can also do this:
D> ps -e -o pid -o command | grep -v grep | grep mpg123

D> Experiment with the `-o' switch; you will find it to be a good switch
D> for filtering process lines.

D> The `grep -v grep' part strips out the grep process. Here's an example I
D> ran using Netscape as an argument for grep without the -v switch:

D>  628 netscape
D>  1356 grep netscape

D> When I added ``grep -v grep,' I get this, the correct answer:

D>  628 netscape

I always get freaked at the "grep -v grep" being added ritually.

What's wrong with:

        ps c | awk '/netscape/ { print $1 }'

where the "c" flag ensures that the command name is included
*without* its parameters so that you don't get a hit on the grep
in the first place!

-- 
Randal L. Schwartz - Stonehenge Consulting Services, Inc. - +1 503 777 0095
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